Finding the Fourth Proportional to 4,876,729.98, 7,315,613.37 and 1,511,199.42
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Solution
The fourth proportional to 4,876,729.98, 7,315,613.37 and 1,511,199.42 is: 2,266,959.77
Step by Step Solution
- Step 1: Write the proportion equation
4,876,729.98 : 7,315,613.37 = 1,511,199.42 : x - Step 2: Convert to fraction form
4,876,729.98/7,315,613.37 = 1,511,199.42/x - Step 3: Cross multiply
4,876,729.98x = 7,315,613.37 × 1,511,199.42 - Step 4: Simplify right side
4,876,729.98x = 11,055,350,681,688.24 - Step 5: Solve for x
x = 11,055,350,681,688.24/4,876,729.98 - Step 6: Final answer
x = 2,266,959.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.